[native] Fork Olm
Summary:
This is the native counterpart to D7089.
Depends on D7089
Test Plan:
- Unit tests are added in D7090
- Also note that we successfully ran Olm C++ and JS test suites
- I also patched the web app to confirm it worked
- Confirmed the iOS app builds
Reviewers: anunay, jon, varun, atul, bartek, tomek
Reviewed By: atul
Differential Revision: https://phab.comm.dev/D7091